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Note Allowance for loan losses (T D R that subsequently defaulted) (Detail) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) loans | Dec. 31, 2017 USD ($) loans
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 527 | 641
Recorded investment as of first default date | $ | $ 36,020 | $ 20,305
CRE non-owner occupied |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 2 | 3
Recorded investment as of first default date | $ | $ 11,245 | $ 543
CRE owner occupied |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 5 | 4
Recorded investment as of first default date | $ | $ 480 | $ 1,912
Commercial and industrial |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 8 | 5
Recorded investment as of first default date | $ | $ 7,208 | $ 636
Mortgages |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 161 | 110
Recorded investment as of first default date | $ | $ 12,362 | $ 10,112
Leasing |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans |  | 4
Recorded investment as of first default date | $ |  | $ 146
Credit cards |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 236 | 369
Recorded investment as of first default date | $ | $ 2,098 | $ 3,286
Home equity lines of credit |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 2 | 1
Recorded investment as of first default date | $ | $ 205 | $ 97
Personal Loan |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 107 | 139
Recorded investment as of first default date | $ | $ 2,300 | $ 3,461
Auto Loan |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 5 | 5
Recorded investment as of first default date | $ | $ 115 | $ 103
Other |  |
Troubled Debt Restructuring, Debtor, Current Period [Line Items] |  |
Loan count | loans | 1 | 1
Recorded investment as of first default date | $ | $ 7 | $ 9

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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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